20201210444 has 12 divisors (see below), whose sum is σ = 35563808784. Its totient is φ = 10040122224.

The previous prime is 20201210441. The next prime is 20201210459. The reversal of 20201210444 is 44401210202.

It is not an unprimeable number, because it can be changed into a prime (20201210441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15119999 + ... + 15121334.

It is an arithmetic number, because the mean of its divisors is an integer number (2963650732).

Almost surely, 2^20201210444 is an apocalyptic number.

It is an amenable number.

20201210444 is a deficient number, since it is larger than the sum of its proper divisors (15362598340).

20201210444 is a wasteful number, since it uses less digits than its factorization.

20201210444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30241504 (or 30241502 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 20201210444 its reverse (44401210202), we get a palindrome (64602420646).

The spelling of 20201210444 in words is "twenty billion, two hundred one million, two hundred ten thousand, four hundred forty-four".